1200A 4.16kV Vacuum Circuit Breaker, 29kA, Spring Mech
Engineered to meet the highest industry standards, the Eaton VR-Series+ AMH EATON-AMH-4.76-VR+250-1200A vacuum circuit breaker provides superior arc interruption and electrical isolation for medium voltage systems. This vacuum replacement breaker is rated for 4.16 kV nominal voltage class with a continuous current capacity of 1200A and an interrupting rating of 250 MVA (29 kA symmetrical short-circuit current). The unit features a Basic Impulse Level (BIL) rating of 60 kV, ensuring robust insulation coordination against transient overvoltages. The stored energy spring operating mechanism provides dependable closing and opening operations with proven reliability across thousands of duty cycles. Utilizing vacuum interrupter technology, this breaker delivers clean, maintenance-friendly arc interruption with extended contact life compared to traditional air-magnetic designs. This unit is designed as a direct replacement for GE AM/AMH 4.16-250 breakers, enabling modernization of existing switchgear installations without costly cell modifications. Available in drawout configuration, the breaker integrates seamlessly into standard metal-clad switchgear assemblies. Fully compliant with IEEE C37.59-2018, ANSI C37.09, this circuit breaker meets or exceeds all applicable safety and performance requirements. Ideal applications include replacement of ge magne-blast am and amh air-magnetic breakers in existing ge vertical-lift metal-clad switchgear. The EATON-AMH-4.76-VR+250-1200A offers operators peace of mind through its proven track record of reliable performance, extensive parts availability, and full compliance with current industry safety standards for medium voltage circuit protection.
